[{"id":"IL-0216","title":{"en":"Wikimedia on-wiki search was slow or rejected after a datacenter switchover overloaded one Elasticsearch node in codfw","ko":"데이터센터 전환 직후 CirrusSearch Elasticsearch 지연이 치솟아 위키 검색이 일부 사용자에게 늦거나 안 됐다"},"org":"Wikimedia Foundation","org_slug":"wikimedia-foundation","date":"2023-09-20","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0216","shared_components":["elasticsearch-opensearch"]},{"id":"IL-0175","title":{"en":"Lowering a JVM pod's CPU request from 2 to 1 pushed memory past the 90% alert because the JVM treats a cgroup v1 cpu.shares value of exactly 1024 as unset and sized Reactor Netty threads from the node's 36 CPUs","ko":"JVM 파드의 CPU requests 를 1코어로 줄이자 JVM 이 노드의 CPU 36개를 인식해 Reactor Netty 스레드가 늘고 메모리 사용량이 경보 기준을 넘었다"},"org":"Hyperconnect","org_slug":"hyperconnect","date":"2022-07-19","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0175","shared_components":["language-runtime"]},{"id":"IL-0041","title":{"en":"fluent-bit silently stopped shipping application logs from one node to Elasticsearch","ko":"fluent-bit 이 오류 없이 멈춰 운영 노드 한 대의 애플리케이션 로그가 Elasticsearch 로 전혀 가지 않았다."},"org":"PrometheusKube","org_slug":"prometheuskube","date":"2020-11-11","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0041","shared_components":["elasticsearch-opensearch"]},{"id":"IL-0277","title":{"en":"Patching Elastic Cloud's ZooKeeper ensemble in us-east-1 lost quorum, and hosted clusters and Kibana went unreachable","ko":"Elastic Cloud us-east-1 의 ZooKeeper 조정 계층이 쿼럼을 잃어 Elasticsearch 배포에 6시간 넘게 접속하지 못하고 Kibana 는 18:44 UTC 까지 불안정했다"},"org":"Elastic","org_slug":"elastic","date":"2019-02-04","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0277","shared_components":["elasticsearch-opensearch"]}]